Any product for cleaning Headers

[d w124]

Sorry to bore you but since I have the engine out,I`d like to polish the headers
Is there any advice on what to use?

 

[d w124]

This is what I mean

This is where I got so far but I thought someone might recomend any other products

 

[jaymanek]

Autosol and a polishing bit for your drill

 

[lxi]

I bought this - Buy Cleaning and Polishing Kit from Axminster, fast delivery for the UK for a different project but it's quite impressive - 3 grades of abrasive & 3 wheels - at that price, worth a try